graph LR
subgraph "PFC級電路"
A["市電輸入 \n 220VAC"] --> B["EMI濾波器"]
B --> C["全橋整流"]
C --> D["PFC電感"]
D --> E["PFC開關節點"]
E --> F["VBL165R20S \n 650V/20A"]
F --> G["高壓直流母線 \n ~400VDC"]
H["PFC控制器"] --> I["柵極驅動器"]
I --> F
G -->|電壓回饋| H
end
subgraph "DC-DC變換級"
G --> J["高頻變壓器 \n 初級"]
J --> K["開關管"]
K --> L["初級地"]
M["PWM控制器"] --> N["驅動電路"]
N --> K
J --> O["變壓器 \n 次級"]
O --> P["整流電路"]
P --> Q["輸出濾波"]
end
subgraph "多路輸出"
Q --> R["24V輸出"]
Q --> S["48V輸出"]
Q --> T["12V輸出 \n (輔助電源)"]
Q --> U["5V輸出 \n (邏輯電源)"]
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style K fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
電機驅動拓撲詳圖
graph TB
subgraph "H橋驅動電路"
A["24V電源匯流排"] --> B["上橋臂1"]
A --> C["上橋臂2"]
subgraph B ["上橋臂1"]
direction LR
Q_U1["VBE1402 \n 40V/120A"]
end
subgraph C ["上橋臂2"]
direction LR
Q_U2["VBE1402 \n 40V/120A"]
end
B --> D["電機節點A"]
C --> E["電機節點B"]
subgraph F ["下橋臂1"]
direction LR
Q_L1["VBE1402 \n 40V/120A"]
end
subgraph G ["下橋臂2"]
direction LR
Q_L2["VBE1402 \n 40V/120A"]
end
D --> Q_L1
E --> Q_L2
Q_L1 --> H["地"]
Q_L2 --> H
D --> I["直流電機"]
E --> I
J["電機控制器"] --> K["預驅晶片"]
K --> Q_U1
K --> Q_U2
K --> Q_L1
K --> Q_L2
end
subgraph "保護與檢測"
L["電流檢測電阻"] --> M["電流檢測IC"]
M --> J
N["溫度感測器"] --> J
O["TVS吸收電路"] --> Q_U1
P["續流二極體"] --> I
end
style Q_U1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q_L1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能負載管理拓撲詳圖
graph LR
subgraph "多路負載開關控制"
A["主控MCU"] --> B["GPIO擴展"]
B --> C["電平轉換電路"]
C --> D["VBA1101M \n 照明控制"]
C --> E["VBA1101M \n 顯示控制"]
C --> F["VBA1101M \n 製冷控制"]
C --> G["VBA1101M \n 風扇控制"]
C --> H["VBA1101M \n 支付控制"]
C --> I["VBA1101M \n 通信控制"]
subgraph D ["照明控制通道"]
direction TB
POWER_24V1["24V電源"] --> Q_SW1["VBA1101M"]
Q_SW1 --> LOAD_LIGHT["LED照明"]
LOAD_LIGHT --> GND1["地"]
end
subgraph E ["顯示控制通道"]
direction TB
POWER_12V["12V電源"] --> Q_SW2["VBA1101M"]
Q_SW2 --> LOAD_DISPLAY["顯示幕"]
LOAD_DISPLAY --> GND2["地"]
end
subgraph F ["製冷控制通道"]
direction TB
POWER_48V["48V電源"] --> Q_SW3["VBA1101M"]
Q_SW3 --> LOAD_COOLING["製冷壓縮機"]
LOAD_COOLING --> GND3["地"]
end
end
subgraph "保護電路"
J["保險絲陣列"] --> Q_SW1
J --> Q_SW2
J --> Q_SW3
K["電流檢測"] --> A
L["過溫保護"] --> A
M["ESD保護"] --> C
end
style Q_SW1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style Q_SW2 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style Q_SW3 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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